What is CVE-2026-12806?

CVE-2026-12806 is a high-severity vulnerability in Edimax Br-6478ac V2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-06-21.

How severe is CVE-2026-12806?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Edimax Br-6478ac V2

CVE-2026-12806

A vulnerability has been found in Edimax BR-6478AC V2 1.23. The impacted element is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component POST Request Handler. The manipulation of the argument selSSID leads to…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Edimax Br-6478ac V2 — versions 1.23

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-12806?: CVE-2026-12806 is a high-severity vulnerability in Edimax Br-6478ac V2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-06-21.
How severe is CVE-2026-12806?: High severity. CVSS v3 base score is 8.8 out of 10.